Heat sink or similar article



FIG. 1 is a bottom plan view of the heat sink or similar article showing our new design;

FIG. 2 is an end elevational view thereof as seen from the top of FIG. 4;

FIG. 3 is a side elevational view thereof as seen from the right of FIG. 4;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof as seen from the left of FIG. 4; and

FIG. 6 is an end elevational view thereof as seen from the bottom of FIG. 4. 

The ornamental design for a heat sink or similar article, substantially as shown. 